FMCalvin John Klaasen
RSA · FIDE ID 14300133 · 53 tournament games since 2022
Standard
2177
#19 in RSA (active)
Rapid
2167
#12 in RSA (active)
Blitz
2270
#6 in RSA (active)
Score
55%
16 W · 26 D · 11 L
Opp. avg
2134
Last 50 games
Last game
2026-07-05
South African Open Championship 2026 - Championship
Prep summary
- As White: 1.d4 in 52% of games (scores 57%), otherwise 1.e4 (37%).
- Against 1.e4: 1...c5 in 8 of 14 games (Sicilian Defense), scoring 56%.
- Against 1.d4: 1...d5 in 7 of 9 games (Queen's Pawn Game), scoring 57%.
- By opponent strength: 50% against higher-rated players, 79% against lower-rated.
- Drawish: 49% of games end in a draw.
Based on 53 over-the-board games (3 classical). 27 with White (59%), 26 with Black (50%).
Openings as White
First move
| 1.d4 | 14 | 57% |
| 1.e4 | 10 | 55% |
| 1.Nf3 | 2 | 100% |
| 1.c4 | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Slav Defense: Modern Line | 2 | 50% |
| Nimzo-Indian Defense: Classical Variation | 2 | 100% |
| Queen's Gambit Declined: Exchange Variation, Positional Variation | 2 | 75% |
| Ruy Lopez: Closed | 2 | 75% |
| Sicilian Defense: Closed, Traditional | 1 | 100% |
Openings as Black
Against 1.e4 (14 games)
| 1...c5 Sicilian Defense | 8 | 56% |
| 1...e5 King's Pawn Game | 5 | 30% |
| 1...c6 Caro-Kann Defense | 1 | 50% |
Against 1.d4 (9 games)
| 1...d5 Queen's Pawn Game | 7 | 57% |
| 1...Nf6 Indian Defense | 2 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Accelerated Dragon, Maróczy Bind | 4 | 50% |
| Queen's Gambit Declined | 2 | 75% |
| Ruy Lopez: Closed | 2 | 25% |
| Bogo-Indian Defense: Grünfeld Variation | 1 | 100% |
| Ruy Lopez: Morphy Defense, Tarrasch Variation | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-07-05 | James Dinham (2140) South African Open Championship 2026 - Championship | W |
| 2026-07-04 | Tane Ressel (1840) South African Open Championship 2026 - Championship | W |
| 2026-07-03 | Zhengfei Li (1919) South African Open Championship 2026 - Championship | ½ |
| 2026-07-02 | Charlton Mnyasta (2215) South African Open Championship 2026 - Championship | L |
| 2026-07-01 | Andre Schutte (1865) South African Open Championship 2026 - Championship | W |
| 2026-06-29 | Tezihano Mnyasta (1997) South African Open Championship 2026 - Championship | ½ |
| 2026-06-29 | Matfey Rogov (2369) South African Open Championship 2026 - Championship | ½ |
| 2026-06-29 | Shaughn Davies (1904) South African Open Championship 2026 - Championship | W |
| 2026-06-29 | Bongolethu Ncethelo (1869) South African Open Championship 2026 - Championship | W |
| 2026-03-01 | Charlton Mnyasta (2158) SA Adult Closed 2026 | Open | ½ |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.